Soothes & Moisturizes Dry Stuffy Noses Sinusol is a 3% saline solution to be nebulized by nasal shower, based on high molecular weight hyaluronic acid and Xylitol, with a decongestant and fluidifying action on the nasal mucosa. Particularly suitable for cleaning the nasal cavities especially in case of colds, rhinitis, sinusitis and all states of congestion of the nasal mucosa.